Finding which Galaxies belongs to which Halo

mohit sharma
  • 23 Jul

Hello,

I am having an issue while using Illustris-3 dataset. There are 600 files like : fof_subhalo_tab_099.1.hdf5 and in each of them galaxies (Subhalos) and halo (Group) are given. In each of files there are many Subhalos and Groups.

I want to know how to identify which Subhalo belongs to which Group. Is there any ID using which we can identify that.

Please give an elaborated answer, I am using this for the first time.

Thank you in advance.

Dylan Nelson
  • 23 Jul

The field SubhaloGrNr can be used.

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